Finding the Third Proportional to 453,699 and 696,409.88

Step by Step Solution

1. Step 1: Write the proportion equation
   453,699 : 696,409.88 = 696,409.88 : x
2. Step 2: Convert to fraction form
   453,699/696,409.88 = 696,409.88/x
3. Step 3: Cross multiply
   453,699x = 696,409.88 × 696,409.88
4. Step 4: Simplify right side
   453,699x = 484,986,713,997.52
5. Step 5: Solve for x
   x = 484,986,713,997.52/453,699
6. Step 6: Final answer
   x = 1,068,961.39